Base | Representation |
---|---|
bin | 101110000111… |
… | …010001100100 |
3 | 211202011012021 |
4 | 232013101210 |
5 | 11043312140 |
6 | 1111032524 |
7 | 204515131 |
oct | 56072144 |
9 | 24664167 |
10 | 12088420 |
11 | 6907233 |
12 | 406b744 |
13 | 2673316 |
14 | 1869588 |
15 | 10dbb4a |
hex | b87464 |
12088420 has 24 divisors (see below), whose sum is σ = 25458048. Its totient is φ = 4821600.
The previous prime is 12088403. The next prime is 12088429. The reversal of 12088420 is 2488021.
It is a super-2 number, since 2×120884202 = 292259796192800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12088429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9205 + ... + 10435.
It is an arithmetic number, because the mean of its divisors is an integer number (1060752).
Almost surely, 212088420 is an apocalyptic number.
12088420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12088420 is an abundant number, since it is smaller than the sum of its proper divisors (13369628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12088420 is a wasteful number, since it uses less digits than its factorization.
12088420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1731 (or 1729 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 25.
The square root of 12088420 is about 3476.8405197823. The cubic root of 12088420 is about 229.5037821170.
The spelling of 12088420 in words is "twelve million, eighty-eight thousand, four hundred twenty".
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